Re: Subtracting Mean Pixel Value From Image

Posted by Herbie-3 on Sep 10, 2013; 11:30am
URL: http://imagej.273.s1.nabble.com/Subtracting-Mean-Pixel-Value-From-Image-tp5004736p5004738.html

Aaron,

what about a little macro?

getRawStatistics( N, mn );
run( "Subtract...", "value=[mn]" );

HTH

Herbie

_________________________________________________
On 10.09.13 13:19, Aaron Hendrickson wrote:

> Hi,
>
> This should be a simple question.  I would like to automate the follow
> process to be performed on a large number of images.
>
> 1. Measure the mean pixel value.
> 2. Subtract the measured mean from the image with 9 decimal place precision
> (32-bit float result).
>
> I know how to do this by hand by simply measuring the mean and then go to
> Process>Math>Subtract but this would take a long time to do on hundreds of
> images.  How might this be automated for large sequences of images (i.e. in
> a batch processing fashion)?
>
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>

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